| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 01/16/2013 | CN102877007A Steel plate for low-crack sensitivity pressure container with thickness being more than or equal to 80mm and manufacture method of steel plate |
| 01/16/2013 | CN102877006A High heat-resistant casting austenitic stainless steel and method for preparing same |
| 01/16/2013 | CN102877005A No-spark iron alloy material |
| 01/16/2013 | CN102877004A Sparkless explosion-proof iron alloy |
| 01/16/2013 | CN102877003A Superfine grinding cast grinding ball and heat treatment process thereof |
| 01/16/2013 | CN102877002A Heat resistant steel for boiler parts and manufacture method of heat resistant steel |
| 01/16/2013 | CN102877001A Low-carbon tempering-free all-bainite structure plastic mould steel and preparation method thereof |
| 01/16/2013 | CN102877000A Stainless steel alloy material |
| 01/16/2013 | CN102876999A Steel plate for hardening and tempering type low temperature pressure vessel and method for producing steel plate |
| 01/16/2013 | CN102876998A Heat-resistant steel, turbocharger conjoined casing and preparation method of turbocharger conjoined casing |
| 01/16/2013 | CN102876997A Easy-welding tempering high-strength steel plate for ocean platform and production method thereof |
| 01/16/2013 | CN102876996A Austenitic hot-work die steel and preparation method thereof |
| 01/16/2013 | CN102876995A High-strength corrosion-resisting steel material and manufacturing method thereof |
| 01/16/2013 | CN102876994A Heat resistant steel for worm gear member and manufacture method of heat resistant steel |
| 01/16/2013 | CN102876993A High-strength corrosion-resisting steel material and manufacturing method thereof |
| 01/16/2013 | CN102876992A High-strength corrosion-resisting steel material and manufacturing method thereof |
| 01/16/2013 | CN102876991A Method for manufacturing stainless steel band for spinner reed |
| 01/16/2013 | CN102876990A Corrosion-resisting antibacterial stainless steel and manufacturing method thereof |
| 01/16/2013 | CN102876989A Corrosion-resisting antibacterial stainless steel and manufacturing method thereof |
| 01/16/2013 | CN102876988A Corrosion-resisting antibacterial stainless steel and manufacturing method thereof |
| 01/16/2013 | CN102876987A High-strength corrosion-resisting stainless steel and manufacturing method thereof |
| 01/16/2013 | CN102876986A High-strength corrosion-resistance stainless steel and manufacturing method thereof |
| 01/16/2013 | CN102876985A Novel stainless steel spring wire |
| 01/16/2013 | CN102876984A High-elasticity stainless steel spring wire |
| 01/16/2013 | CN102876983A Production process for 82B wire rod used for high strength prestressed steel wire and wire rod thereof |
| 01/16/2013 | CN102876982A Axle steel and its manufacturing method |
| 01/16/2013 | CN102876981A Method for preparing medium and low carbon chrome-silicon-manganese martensite cast steel with hardening surface layer |
| 01/16/2013 | CN102876980A High-strength angle iron |
| 01/16/2013 | CN102876979A Steel tube for perforating guns and manufacturing method thereof |
| 01/16/2013 | CN102876978A Microcrystal material with high magnetic permeability |
| 01/16/2013 | CN102876977A Microcrystal material |
| 01/16/2013 | CN102876976A Method for preparing high-strength iron alloy |
| 01/16/2013 | CN102876975A Method for preparing iron alloy material |
| 01/16/2013 | CN102876974A Preparing method of corrosion-resistant ferrous alloy |
| 01/16/2013 | CN102876973A Method for preparing corrosion-resistant iron alloy |
| 01/16/2013 | CN102876972A Production method of ultra-high strength steel plate |
| 01/16/2013 | CN102876971A Method for manufacturing nickel-chromium plating steel band for battery steel shell |
| 01/16/2013 | CN102876970A Steel with yield strength larger than or equal to 390 MPa for high-rise buildings and production method of steel |
| 01/16/2013 | CN102876969A Super-strength high-toughness wear resistant steel plate and production method thereof |
| 01/16/2013 | CN102876968A High-strength anti-seismic HRB500E hot-rolled ribbed bar and production process thereof |
| 01/16/2013 | CN102876967A Aluminum hot galvanizing dual-phase steel plate with tensile strength of 600 MPa and preparation method of aluminum hot galvanizing dual-phase steel plate |
| 01/16/2013 | CN102876966A Preparation method of as-cast high manganese steel through forging processing |
| 01/16/2013 | CN102876965A High-strength anchor bolt and production method thereof |
| 01/16/2013 | CN102876871A Method for preparing stainless steel band for exhaust pipe of automobile |
| 01/16/2013 | CN102876870A Method for producing cold-rolled magnetic pole steel plate with yield strength of 250 MPa |
| 01/16/2013 | CN102876869A Production method for cold rolled magnetic pole steel with yield strength of 250 MPa |
| 01/16/2013 | CN102876867A Heat treatment method of medium-high carbon steel |
| 01/16/2013 | CN102876865A Heat treatment method of 304 stainless steel |
| 01/16/2013 | CN102876860A Heat treatment method of novel alloy steel hollow car axle material |
| 01/16/2013 | CN102873935A Nickel-chromium-plated steel band for battery steel shell |
| 01/16/2013 | CN102873308A Method for lost foam casting of composite two-liquor bimetallic hammerhead of crusher |
| 01/16/2013 | CN102873202A Upper die structure convenient for taking punched thread plates of filters |
| 01/16/2013 | CN102873201A Automatic stamping lower die structure for filter screw plate |
| 01/16/2013 | CN102330583B 汽车发动机气门座圈 Automotive engine valve seat |
| 01/16/2013 | CN102304673B Alloy steel used for casting track plate, track plate and preparation method and construction machinery of track plate |
| 01/16/2013 | CN102268603B High-Al ferritic heat-resistant steel |
| 01/16/2013 | CN102230141B Heat resistant steel for grate plate of chain grate machine |
| 01/16/2013 | CN102212757B Alloy steel for large wind-driven power generation device and manufacturing process of workpiece made of same |
| 01/16/2013 | CN102154593B X80 steel grade anti-corrosion low-temperature seamless line pipe |
| 01/16/2013 | CN102066586B Process for production of carburized part and steel part |
| 01/16/2013 | CN102002644B Working roll for automobile sheet cold rolling and manufacturing method thereof |
| 01/16/2013 | CN101946018B Austenitic heat-resistant cast steel and exhaust system components made therefrom |
| 01/16/2013 | CN101886225B Corrosion-resistant and abrasion-resistant steel and preparation method thereof |
| 01/15/2013 | US8353992 High young's modulus steel plate and method of production of same |
| 01/15/2013 | CA2721254C Low-carbon steel slab producing method |
| 01/15/2013 | CA2493463C Process and finned tube for the thermal cracking of hydrocarbons |
| 01/10/2013 | WO2013005774A1 Surface-treated steel sheet for battery case, process for producing same, battery case, and battery |
| 01/10/2013 | WO2013005714A1 Method for producing cold-rolled steel sheet |
| 01/10/2013 | WO2013005670A1 Hot-dip plated cold-rolled steel sheet and process for producing same |
| 01/10/2013 | WO2013005618A1 Cold-rolled steel sheet |
| 01/10/2013 | WO2013005579A1 Magnetic refrigeration material and magnetic refrigeration device |
| 01/10/2013 | WO2013005570A1 Austenite steel welded joint |
| 01/10/2013 | WO2013005454A1 Magnetic material and coil component employing same |
| 01/10/2013 | WO2013004910A1 Method for manufacturing a high-strength structural steel and a high-strength structural steel product |
| 01/10/2013 | WO2013004747A1 Method for producing a grain-oriented electrical steel flat product intended for electrotechnical applications |
| 01/10/2013 | WO2013004057A1 Method for manufacturing stainless steel plate used for thermonuclear experimental reactor |
| 01/10/2013 | WO2012158332A3 Austenitic iron-based alloy, turbocharger and component made thereof |
| 01/10/2013 | US20130011294 Ferritic stainless steel excellent in corrosion resistance in environment of condensed water from hydrocarbon combustion gas |
| 01/10/2013 | US20130008748 Friction disk having an anti-wear layer and integrated wear indication and compositions of the anti-wear layer |
| 01/10/2013 | US20130008573 Ferritic stainless steel sheet excellent in heat resistance and workability and method of production of same |
| 01/10/2013 | US20130008570 Ultrahigh-strength steel sheet with excellent workability, and manufacturing method thereof |
| 01/10/2013 | US20130008568 High-strength steel sheet and method for producing same |
| 01/10/2013 | DE10260600B4 Gusseisen mit verbesserter Oxidationsbeständigkeit bei hohen Temperaturen Cast iron having improved oxidation resistance at high temperatures |
| 01/10/2013 | CA2841064A1 Hot-dip galvanized cold-rolled steel sheet and process for producing same |
| 01/10/2013 | CA2841061A1 Cold-rolled steel sheet |
| 01/10/2013 | CA2841056A1 Method for producing cold-rolled steel sheet |
| 01/10/2013 | CA2839128A1 Austenitic steel welded joint |
| 01/09/2013 | EP2544199A1 Sintered rare-earth magnet and motor |
| 01/09/2013 | EP2543747A1 Seamless steel pipe of high-strength hollow spring |
| 01/09/2013 | EP2543326A1 Bone removal tools |
| 01/09/2013 | CN102869804A Method for manufacturing and utilizing ferritic-austenitic stainless steel with high formability |
| 01/09/2013 | CN102869803A High-strength stainless steel for oil well and high-strength stainless steel pipe for oil well |
| 01/09/2013 | CN102869802A Welding metal having excellent low-temperature toughness and excellent drop-weight characteristics |
| 01/09/2013 | CN102869801A Ultra high strength steel plate having excellent workability, and production method for same |
| 01/09/2013 | CN102869795A Metallic material which is solid solution of body-centered cubic (bcc) structure having controlled crystal axis <001> orientation, and process for producing same |
| 01/09/2013 | CN102867607A Preparation method of high-strength high-hardness iron nickel soft magnetic material |
| 01/09/2013 | CN102867606A Weak-magnetism alloy material |
| 01/09/2013 | CN102867605A Magnetic alloy |
| 01/09/2013 | CN102867604A Magnetically soft alloy |
| 01/09/2013 | CN102867603A Neodymium iron boron permanent magnet material and manufacturing technique thereof |